Echinacea Versus Placebo Effect in Common Cold (Physician Echinacea Placebo)
NCT00065715
·
clinicaltrials.gov ↗
PHASE3
Phase
COMPLETED
Status
719
Enrollment
OTHER
Sponsor class
Conditions
Common Cold
Interventions
DIETARY_SUPPLEMENT:
Echinacea
OTHER:
Blinded placebo
Sponsor
University of Wisconsin, Madison
Collaborators
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